首页> 外文期刊>Journal of Cerebral Blood Flow and Metabolism: Official Journal of the International Society of Cerebral Blood Flow and Metabolism >Isoflurane and propofol block neurotoxicity caused by MK-801 in the rat posterior cingulate/retrosplenial cortex.
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Isoflurane and propofol block neurotoxicity caused by MK-801 in the rat posterior cingulate/retrosplenial cortex.

机译:异氟烷和丙泊酚阻断了由MK-801引起的大鼠后扣带回/脾后皮质的神经毒性。

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摘要

In acute brain injury syndromes, the potent N-methyl-D-aspartate (NMDA) antagonist, MK-801, can prevent neuronal degeneration, and the general anesthetics, isoflurane and propofol, may also provide neuroprotective benefits. An obstacle to the use of NMDA antagonists for neuroprotective purposes is that they can cause a neurotoxic vacuole reaction in cerebrocortical neurons. This study demonstrates the ability of isoflurane and propofol to prevent the neurotoxic vacuole reaction induced by MK-801. Low sedative doses of inhaled isoflurane (1%) or intravenous (i.v.) propofol (7.5 mg/kg/h) were as effective as higher general anesthetic doses. Thus, in the clinical management of acute brain injury conditions such as stroke and brain trauma, administration of one of these anesthetic agents together with an NMDA antagonist may be an excellent formula for obtaining optimal neuroprotection while eliminating serious side effects.
机译:在急性脑损伤综合症中,有效的N-甲基-D-天冬氨酸(NMDA)拮抗剂MK-801可预防神经元变性,全身麻醉剂异氟烷和异丙酚也可提供神经保护作用。 NMDA拮抗剂用于神经保护目的的障碍是它们可以在脑皮质神经元中引起神经毒性液泡反应。这项研究证明了异氟烷和丙泊酚具有预防MK-801诱导的神经毒性液泡反应的能力。吸入异氟醚(1%)或静脉(i.v.)异丙酚的低镇静剂量(7.5 mg / kg / h)与较高的全身麻醉剂量一样有效。因此,在急性脑损伤状况如中风和脑外伤的临床管理中,将这些麻醉剂之一与NMDA拮抗剂一起给药可能是获得最佳神经保护作用而消除严重副作用的极佳配方。

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